const CryptoJS = require('crypto-js');  //引用AES源码js
module.exports = (k, i) => {
  const key = CryptoJS.enc.Utf8.parse(k);
  const iv = CryptoJS.enc.Utf8.parse(i);
  return {
    d: function Decrypt(word) {
      let encryptedHexStr = CryptoJS.enc.Hex.parse(word);
      let srcs = CryptoJS.enc.Base64.stringify(encryptedHexStr);
      let decrypt = CryptoJS.AES.decrypt(srcs, key, { iv: iv, mode: CryptoJS.mode.CBC, padding: CryptoJS.pad.Pkcs7 });
      let decryptedStr = decrypt.toString(CryptoJS.enc.Utf8);
      return decryptedStr.toString()
    },
    e: function Encrypt(word) {
      let srcs = CryptoJS.enc.Utf8.parse(word);
      let encrypted = CryptoJS.AES.encrypt(srcs, key, { iv: iv, mode: CryptoJS.mode.CBC, padding: CryptoJS.pad.Pkcs7 });
      return encrypted.ciphertext.toString().toUpperCase();
    }
  }
}